Home / 28,469,988.02-39,288,604.77-15,417,261.25

Finding the Fourth Proportional to 28,469,988.02, 39,288,604.77 and 15,417,261.25

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Solution

The fourth proportional to 28,469,988.02, 39,288,604.77 and 15,417,261.25 is: 21,275,832.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469,988.02 : 39,288,604.77 = 15,417,261.25 : x
  2. Step 2: Convert to fraction form
    28,469,988.02/39,288,604.77 = 15,417,261.25/x
  3. Step 3: Cross multiply
    28,469,988.02x = 39,288,604.77 × 15,417,261.25
  4. Step 4: Simplify right side
    28,469,988.02x = 605,722,683,788,864.75
  5. Step 5: Solve for x
    x = 605,722,683,788,864.75/28,469,988.02
  6. Step 6: Final answer
    x = 21,275,832.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.